////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2008 Michiel Helvensteijn                                    //
//                                                                            //
// This file is part of the Mist compiler.                                    //
//                                                                            //
// The Mist compiler is free software: you can redistribute it and/or modify  //
// it under the terms of the GNU General Public License as published by       //
// the Free Software Foundation, either version 3 of the License, or          //
// (at your option) any later version.                                        //
//                                                                            //
// The Mist compiler is distributed in the hope that it will be useful,       //
// but WITHOUT ANY WARRANTY; without even the implied warranty of             //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              //
// GNU General Public License for more details.                               //
//                                                                            //
// You should have received a copy of the GNU General Public License          //
// along with the Mist compiler.  If not, see <http://www.gnu.org/licenses/>. //
////////////////////////////////////////////////////////////////////////////////

#include "ast/orchain.hpp"

/******************************************************************************
 * Includes                                                                   *
 ******************************************************************************/

#include <boost/foreach.hpp>
#define foreach BOOST_FOREACH

#include <boost/shared_ptr.hpp>
using boost::dynamic_pointer_cast;

#include <cstdarg>

#include "assert.hpp"

/******************************************************************************
 * Function Implementations                                                   *
 ******************************************************************************/

shared_ptr<OrChain> OrChain::create(shared_ptr<Expression> operand1, shared_ptr<Expression> operand2) {
	return shared_ptr<OrChain>(new OrChain(operand1, operand2));
}

OrChain::OrChain(shared_ptr<Expression> operand1, shared_ptr<Expression> operand2) {
	assert(operand1);
	assert(operand2);
	
	insert_operand(operand1);
	insert_operand(operand2);
}

bool OrChain::equals(shared_ptr<Node> other) {
	if (typeid(*other) != typeid(OrChain))
		return false;
	
	shared_ptr<OrChain> cother(dynamic_pointer_cast<OrChain>(other));
	
	if (operand_count() != cother->operand_count())
		return false;
	
	unsigned int i;
	for (i = 0; i < operand_count(); ++i)
		if (!operands()[i]->equals(cother->operands()[i]))
			return false;
	
	return true;
}
